diff --git a/lab01.cbp b/lab01.cbp
index d541ad7..68d2c6d 100644
--- a/lab01.cbp
+++ b/lab01.cbp
@@ -32,6 +32,10 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
 		<Unit filename="main.cpp" />
 		<Extensions>
 			<lib_finder disable_auto="1" />
diff --git a/main.cpp b/main.cpp
index 985134d..d79dfdc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,8 @@
 #include <iostream>
 #include <vector>
+#include "histogram.h"
+#include "text.h"
+
 
 using namespace std;
 
@@ -26,93 +29,6 @@ input_data()
     return in;
 }
 
-void
-find_minmax(const vector<double>& numbers, double& min, double& max)
-{
-    min = numbers[0];
-    max = numbers[0];
-    for (double x : numbers)
-    {
-        if (x > max )
-        {
-            max = x;
-        }
-        if (x < min)
-        {
-            min = x;
-        }
-    }
-}
-
-vector<size_t>
-make_histogram(const vector<double>& numbers, size_t& bin_count)
-{
-    double min = 0;
-    double max = 0;
-    find_minmax(numbers, min, max);
-    auto bin_size = (max - min)/bin_count;
-    vector<size_t> bins(bin_count);
-    for (double number : numbers)
-    {
-        bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
-        {
-            auto lo = min + j * bin_size;
-            auto hi = min + (j + 1) * bin_size;
-            if ((lo <= number) && (number < hi))
-            {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found)
-        {
-            bins[bin_count - 1]++;
-        }
-    }
-    return bins;
-}
-
-void
-show_histogram_text(const vector<size_t>& bins, size_t& bin_count) {
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-    size_t max_count = 0;
-    for (size_t s = 0; s < bin_count; s++)
-    {
-        if (bins[s] > max_count)
-        {
-            max_count = bins[s];
-        }
-    }
-    for (size_t bin : bins)
-    {
-        if (bin <100)
-        {
-            cout << " ";
-        }
-        if (bin <10)
-        {
-            cout << " ";
-        }
-        cout << bin << "|";
-        if (max_count > MAX_ASTERISK)
-        {
-            size_t count = bin;
-            size_t height = MAX_ASTERISK * (static_cast<double>(count) / max_count);
-            for (size_t t = 0; t < height; t++)
-            {
-                cout << "*";
-            }
-        }
-        else for (size_t k = 0; k < bin; k++)
-            {
-                cout << "*";
-            }
-        cout << endl;
-    }
-}
-
 int main()
 {
     Input in = input_data();
diff --git a/text.cpp b/text.cpp
new file mode 100644
index 0000000..29c73d5
--- /dev/null
+++ b/text.cpp
@@ -0,0 +1,41 @@
+#include <iostream>
+#include "text.h"
+
+using namespace std;
+
+void
+show_histogram_text(const vector<size_t>& bins, size_t& bin_count) {
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t max_count = 0;
+    for (size_t s = 0; s < bin_count; s++)
+    {
+        if (bins[s] > max_count)
+        {
+            max_count = bins[s];
+        }
+    }
+    auto scale_factor = static_cast<double>(MAX_ASTERISK) / max_count;
+    if (scale_factor > 1)
+    {
+        scale_factor = 1;
+    }
+    for (size_t bin : bins)
+    {
+        if (bin <100)
+        {
+            cout << " ";
+        }
+        if (bin <10)
+        {
+            cout << " ";
+        }
+        cout << bin << "|";
+        size_t height = bin * scale_factor;
+        for (size_t t = 0; t < height; t++)
+        {
+            cout << "*";
+        }
+        cout << endl;
+    }
+}
diff --git a/text.h b/text.h
new file mode 100644
index 0000000..5c6df4d
--- /dev/null
+++ b/text.h
@@ -0,0 +1,9 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+#include <vector>
+
+void
+show_histogram_text(const std::vector<size_t>& bins, size_t& bin_count);
+
+#endif // TEXT_H_INCLUDED